Home / 3,077.72-4,611.84-2,089.24

Finding the Fourth Proportional to 3,077.72, 4,611.84 and 2,089.24

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Solution

The fourth proportional to 3,077.72, 4,611.84 and 2,089.24 is: 3,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.72 : 4,611.84 = 2,089.24 : x
  2. Step 2: Convert to fraction form
    3,077.72/4,611.84 = 2,089.24/x
  3. Step 3: Cross multiply
    3,077.72x = 4,611.84 × 2,089.24
  4. Step 4: Simplify right side
    3,077.72x = 9,635,240.60
  5. Step 5: Solve for x
    x = 9,635,240.60/3,077.72
  6. Step 6: Final answer
    x = 3,130.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.